文献详情
High nitrogen-containing cotton derived 3D porous carbon frameworks for high-performance supercapacitors
文献类型期刊
作者Fan, Li-Zhen[1];Chen, Tian-Tian[2];Song, Wei-Li[3];Li, Xiaogang[4];Zhang, Shichao[5]
机构
通讯作者Fan, LZ (reprint author), Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Key Lab New Energy Mat & Technol, Beijing 100083, Peoples R China.
来源信息年:2015  卷:5  页码范围:15388  
期刊信息SCIENTIFIC REPORTS影响因子和分区  ISSN:2045-2322
增刊正刊
摘要Supercapacitors fabricated by 3D porous carbon frameworks, such as graphene- and carbon nanotube (CNT)-based aerogels, have been highly attractive due to their various advantages. However, their high cost along with insufficient yield has inhibited their large-scale applications. Here we have demonstrated a facile and easily scalable approach for large-scale preparing novel 3D nitrogen-containing porous carbon frameworks using ultralow-cost commercial cotton. Electrochemical performance suggests that the optimal nitrogen-containing cotton-derived carbon frameworks with a high nitrogen content (12.1 mol%) along with low surface area 285 m(2) g (1) present high specific capacities of the 308 and 200 F g(-1) in KOH electrolyte at current densities of 0.1 and 10 A g(-1), respectively, with very limited capacitance loss upon 10,000 cycles in both aqueous and gel electrolytes. Moreover, the electrode exhibits the highest capacitance up to 220 F g(-1) at 0.1 A g(-1) and excellent flexibility (with negligible capacitance loss under different bending angles) in the polyvinyl alcohol/KOH gel electrolyte. The observed excellent performance competes well with that found in the electrodes of similar 3D frameworks formed by graphene or CNTs. Therefore, the ultralow-cost and simply strategy here demonstrates great potential for scalable producing high-performance carbon-based supercapacitors in the industry.
收录情况SCIE(WOS:000362886800001)  PubMed(26472144)  
所属部门材料科学与工程学院
DOI10.1038/srep15388
学科综合性期刊
百度学术High nitrogen-containing cotton derived 3D porous carbon frameworks for high-performance supercapacitors
语言外文
被引频次11
人气指数26
浏览次数26
基金National Basic Research Program of China (973 program) [2013CB934001]; NSF of China [51532002, 51172024, 51372022, 51575030]; Ministry of Education [20130006110019]
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